Answer:
A pure culture contains only one single type; a mixed culture contains two or more different bacteria.
Explanation:
Explain the process of Protein Synthesis
Answer:
Explanation:
Protein synthesis is the process in which cells make proteins. It occurs in two stages: transcription and translation. Transcription is the transfer of genetic instructions in DNA to mRNA in the nucleus. It includes three steps: initiation, elongation, and termination.
Hope I helped
Explain why scientists might use models to represent Earth’s process
Answer:
Scientists use models to investigate objects or processes that happen too slowly, too quickly, or on too small of a scale to observe directly.
They also use models to explore phenomena that are too vast, too complex, or too dangerous to study firsthand.
Which of these is not a process that can cause speciation?
A. Seasonal migration
B. Asexual reproduction
C. Mate selection
D. Genetic damage
Answer:
Asexual reproduction
Explanation:
Answer:
es la b
Explanation:
reproducción asexual
¿What are Vertebrates?
[tex]{\huge \underline{{ \fbox \color{red}{A}}{\fbox \color{green}{n}}{\fbox \color{purple}{s}}{\fbox \color{brown}{w}}{\fbox \color{yellow}{e}}{\fbox \color{gray}{r } }}}[/tex]
They are further classified into: fish, amphibians, birds, reptiles and mammals.
I hope I've helped : )
Question 4 of 10
How do bacteria develop resistance to drugs?
10 Points
A. After a certain amount of the bacteria are killed by drugs, they learn to recognize and avoid it.
B. Their ability to replicate very fast and natural mutations combine to allow them to evolve rapidly.
OC. If they only absorb a small amount, it works like a vaccine, immunizing them against larger amounts.
OD. If you do not take all of your antibiotics, they slowly develop a tolerance for it, like you would against certain toxins over time.
Reset Selection
Answer:
A is your correct answer.
Answer:
A
Explanation:
can you please answer it I need it now.
Temperature is not a weather instrument. This is because it is considered under the abiotic factor. Thus, the correct option is B.
What is a Weather instrument?A weather instrument may be defined as any appliance or device that measures weather-related conditions of a particular location at a given time.
Anemometer is used to measure wind speed and wind pressure. The thermometer is an instrument that measures the air temperature. Temperature refers to the hotness or coldness of the air. Weather is the condition of the atmosphere at any given time and place.Therefore, the correct answer to each question is mentioned above.
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a population is composed of individuals of ___
Answer:
A) the same species that live in a particular area
Why does the Department of Homeland Security target foot-and-mouth disease?
The bottom- and- mouth complaint contagion has been honored since at least the 16th century.
It's characterized by fever, pocks on the bases and mouth, loss of appetite, drooling and lameness. Infected herds of creatures are generally destroyed.Large quantities of the contagion are present in all body concealment, including breath, and are readily transmitted to other creatures. The contagion can also survive on the ground for extended ages of time and can be transferred on tires, thrills and clothes. It has indeed been shown to be carried long distances by wind.The United States has been free of the complaint since 1929, but that isn't a guarantee it'll not return. Britain was free of the complaint for 34 times before a 2001 outbreak that needed the destruction of 10 million cows.FMD contagion is largely contagious in cloven- mashed creatures, including cattle, gormandizers, small ruminants. Encyclopedically, FMD has a significant impact on beast trade economics and expansive nonsupervisory programs live in the U.S. to grease identification of, response to, and control of the complaint. With one in nine Americans employed in the husbandry or confederated diligence, the goods of an FMD outbreak in the U.S. would be ruinous – estimated at nearly$ 200 billion in lost profit over 10 times across affected diligence.
Therefore the Department of Homeland Security target foot-and-mouth disease.
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Read the excerpt from Jane Eyre by Charlotte Brontë.
from fan
My head still ached and bled with the blow and fall I
had received: no one had reproved John for wantonly
striking me; and because I had turned against him to
avert farther irrational violence, I was loaded with
general opprobrium [harsh criticism].
"Unjust!-unjust!" said my reason, forced by the
agonising stimulus into precocious though transitory
power.
What is revealed about Jane by the juxtaposition of
Jane's feelings with those of the rest of her household?
O She is upset when she is criticized.
O She is not affected by the way others treat her.
She has a strong sense of what is right.
O
O She has trouble seeing things from another point of
view.
It is revealed about Jane by the juxtaposition of Jane's feelings with those of the rest of her household She is upset when she is criticized. Thus, option "A" is correct.
How does the author compare with her heroine Jane Eyre?The author Charlotte Brontë was able to reflect on her own life and circumstances in the character of Jane Eyre. One of the most important ones is that both women were orphans, as Charlotte lost her mother at five.
Afterwards, she lived in a boarding school that made her unhappy. Both characters were also left to care for others (Charlotte for her father and Jane for Mr Rochester) and they both worked as governesses. Moreover, both women were intelligent, educated, resourceful and ahead of their times. This is an example of how authors sometimes include details of their personal lives in their works.
Thus, option "A" is correct.
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Answer is (A.)
Explanation: just took quiz on edge 2023.
Which of these best describes a hormone?
A. A chain of amino acids secreted by a gland
B. A neurotransmitter with a specific target
C. A neurotransmitter carried in the blood
D. A chemical message secreted by a gland
Answer:
option D
A chemical message secreted by a gland.
Explaination: A hormone is a chemical that is made by specialist cells, usually within an endocrine gland, and it is released into the bloodstream to send a message to another part of the body. It is often referred to as a 'chemical messenger'.
organisms swimming on the surface of water are
Answer:
.
Explanation:
organism swimming on surface of water are plankton
Answer:
plankton
Explanation:
they are plankton
How are genes and proteins related?
A. Proteins are used to build genes.
O B. Genes contain the code to make proteins.
• C. Proteins are made of parts of genes.
D. Genes and proteins are both made of DNA.
B) Genes contain the code to make proteins. Hope it helps!
Answer:
the answer to the question is A) proteins are used to make genes
question is in the photo
Answer:
third optiOn! :)
Explanation:
Biology
1 a What substances must a plant take in, in order to carry
on photosynthesis?
b Where does it get each of these substances from?
Answer:
a .carbon dioxide(Co2) and water (H2O)
b. air and soil
Explanation:
During photosynthesis, plants take in carbon dioxide (CO2) and water (H2O) from the air and soil. Within the plant cell, the water is oxidized, meaning it loses electrons, while the carbon dioxide is reduced, meaning it gains electrons. This transforms the water into oxygen and the carbon dioxide into glucose.
Where are chromosomes located during metaphase?
The mitotic spindle pulls the chromosomes together at the metaphase plate. Microtubules from opposite spindle poles grab the two sister chromatids of each chromosome. In metaphase, the spindle has collected all the chromosomes and lined them up at the middle of the cell, ready to divide.
What are chromosomes?Chromosomes are the greatest level of DNA and protein organization. Chromosomes' primary job is to transport DNA and genetic information from parents to offspring. During cell division, chromosomes play a vital role. They keep DNA from becoming twisted or damaged.
The metaphase plate is a plane or region that is about equidistant from a dividing cell's two poles.
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Do you think the field of
human embryology could
contribute to future medical
advancements?
What is a land breeze?
Answer:
is a breeze blowing towards the sea from the land, especially night owing to a relative warmth
of a sea.
I believe it helps you
Answer:
a breeze blowing towards the sea from the land, especially at night, owing to the relative warmth of the sea.
Explanation:
Scientific research about how disruptions of the carbon and nitrogen cycles
affect people will be least valuable if the results:
O A. are confirmed by peer review but are rejected by the public.
B. are inconclusive but might possibly be true.
O
C. help us slow the growth of Earth's human population.
O
D. help us prevent a continued rise in Earth's sea level.
The disruption of the carbon and nitrogen cycles affecting people will be least valuable if the results are inconclusive but might possibly be true. Thus, the correct option is B.
What is the Carbon cycle?The carbon cycle may be defined as the movement of carbon and its derivatives through various biotic and abiotic components of an ecosystem.
The effect of disruption of nutrient cycles will be the least practical and useful if the outcome of it is not conclusive with respect to the deterioration of an ecosystem but might be conceivably true.
It impacts scientific research to a larger extent and allows it to affect the disruption of nutrient cycles in an ecosystem in a significant way.
Therefore, the correct option for this question is B.
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TLloyd’s lab partner is looking down into a test tube while he heats the contents by using a flame. Which action should Lloyd recommend to his partner if heating must continue?
Wear safety goggles while looking into the opening of the test tube.
Cover the opening of the test tube so that no materials can boil out of it.
Move the test tube so that the opening is pointing away from all students.
Put the test tube in a hot water bath so that no water can enter its opening.
The action that should be recommended by Lloyd to his partner if the heating must continue is to move the test tube so that the opening is pointing away from all students. Thus, the correct option is C.
What are the precautions that should be taken while heating the solution?Safety and security are the foremost things that you should be required to keep in mind when performing lab experiments. You should be well aware of all its parameters.
While heating the solution, always keep away your face away from the direct opening of the test tubes, wear goggles if required, etc.
Therefore, the action that should be recommended by Lloyd to his partner if the heating must continue is to move the test tube so that the opening is pointing away from all students. Thus, the correct option is C.
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Four students use the centimeter ruler shown to measure an object during an investigation. Each student aligns the edge of the object with the left edge of the ruler as shown above. All four students read the ruler with a measurement of 4.6 cm. Which statement describes the data they collect? The data have high precision but poor accuracy because of a systematic error. The data have high precision but poor accuracy because of a random error. The data have poor precision and poor accuracy because of a systematic error. The data have poor precision and poor accuracy because of a random error.
The data have high precision but poor accuracy because of a systematic error. Thus, the correct option is A.
What is systematic error?An error that is not caused by chance, but rather by a system-wide inaccuracy (in terms of observation or measurement).
The accuracy of a value refers to how close it is to its genuine value. An arrow's proximity to the bull's-eye center is an example. A measurement's precision refers to how repeatable it is. A systematic error has occurred.
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Which choice best summarizes the outcome of Redi‘s experiment?
Francesco Redi performed his experiment against the theory of spontaneous generation. In his experiment, he takes one glass jar and a piece of flesh and analyzes them in three different situations.
Why did Francesco Redi perform his glass jar experiment?Francesco Redi performed his glass jar experiment in order to illustrate the evidence against the theory of spontaneous generation.
He demonstrate that dead maggots or flies would not generate new flies when positioned on rotting flesh in a sealed jar, whereas live maggots or flies would have the capability to grow some eggs of maggots.
This experiment discredited both the presence of some essential components in once-living organisms and the requirement of fresh air to induce living life.
The complete question is as follows:
Which choice best summarizes the outcome of Redi‘s experiment?
Evidence for the theory of spontaneous generation. Evidence against the theory of spontaneous generation. Evidence for the theory of special creation. Evidence for the theory of the origin of life.Therefore, the correct option is B, i.e. Evidence against the theory of spontaneous generation.
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How did Galileo increase public support for Copernicus model
Question 14 of 25
Scientists are most likely to change a scientific theory if:
A. members of society do not agree with the theory.
B. the theory cannot be tested through direct observation.
C. new evidence does not support the theory.
D. a hypothesis used to test the theory is not supported.
Answer:
B. The theory cannot be tested through direct observation.
Explanation:
The lock-and-key mechanism refers to
O the complementary shapes of an enzyme and a substrate.
O the attractive forces between an enzyme and a substrate.
© the ability of an enzyme to lower the activation energy of a reaction.
O the ability of an enzyme to
*unlock" the products of a reaction.
Answer:
I think the answer is A. the complementary shapes of an enzyme and a substrate.
Explanation:
I hope this helps! Correct me if I am wrong.
Explain what is meant by the term differentiate.
The process by which cell types or cell populations attain distinct and different forms and functions is called differentiation.
This is the process that allows the stem cells to differentiate and form a cell type that will perform a specific function.
The process of differentiation is essential for the formation of the different organs in multicellular organisms.
A test liquid has a density of 1.1 g/mL. When you pour some of it into a cup of
water, what will happen (assuming that their natures are such that they don't
mix and that there is no chemical reaction between the two substances)?
a. The test liquid will float on top of the water in the cup.
b. The test liquid will sink to the bottom of the cup.
POUP
C. The test liquid will form a band in the middle of the cup.
d. The test liquid will coat the sides of the cup, leaving the water in the
center.
When some test liquid of density 1.1g/mL is poured into a cup of water, the test liquid will sink to the bottom of the cup, which is option B.
What is density?Density refers to the measure of the mass of matter contained by a unit volume.
An object sinks in water if its density is greater than that of water while the object will float on water if it has a lesser density than water.
According to this question, a test liquid has a density of 1.1 g/mL and is poured into a cup of water. This suggests that the liquid will sink to the bottom of the water because it has a higher density.
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Why is it advantageous for a cell to be small
Personal boats and watercraft do not contribute to ocean pollution. t/f
Answer and Explanation:
FALSE
Personal boats and watercraft DO contribute to ocean pollution.
Most water vehicles need fuel to be powered and go through the water. This fuel can sometimes go into the water, polluting the surrounding area.
Watercraft that don't use fuel, but instead are man-powered, can still contribute to ocean pollution. People can bring items such as soda cans, beer bottles, fishing equipment, etc., and any of these items tend to be discarded into the water, leading to pollution and degradation of the ecosystem, harming any wildlife that lives there.
I hope this helps!
#teamtrees #PAW (Plant And Water)
What described step three of a muscle contraction
Answer:
D. Actin and myosin are completely overlapped.
Which of these has not been used as an RNA probe?
a. Fluorescence probes
b. Radioactive probes
c. Non- radioactive
d. Cellular probes
Answer:
I think the answer is Cellular Probes.
Explanation:
I hope this helps! Correct me if I am wrong.